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Image meta search (or image search engine) is a type of search engine specialised on finding pictures, images, animations etc. Like the text search, image search is an information retrieval system designed to help to find information on the Internet and it allows the user to look for images etc. using keywords or search phrases and to receive a set of thumbnail images, sorted by relevancy.
Image search is a specialized data search used to find images. To search for images, a user may provide query terms such as keyword, image file/link, or click on some image, and the system will return images "similar" to the query. The similarity used for search criteria could be meta tags, color distribution in images, region/shape attributes ...
General scheme of content-based image retrieval. Content-based image retrieval, also known as query by image content and content-based visual information retrieval (CBVIR), is the application of computer vision techniques to the image retrieval problem, that is, the problem of searching for digital images in large databases (see this survey [1] for a scientific overview of the CBIR field).
Viral post claims Facebook can use your photo without permission and that you have to post a notice on your page to stop it. The viral post is wrong.
Computer based search algorithms made the use of such keywords a rapid way of exploring records. Tagging gained popularity due to the growth of social bookmarking, image sharing, and social networking websites. [2] These sites allow users to create and manage labels (or "tags") that categorize content using simple keywords.
Opens and saves jpg2000 and jpgls photo files Yes, native can search for and replace pixel of a certain color (with some latitude) and replace all with a given color of pixels KPhotoAlbum: Yes keywords, comments, title, any field from Exif metadata Yes linear, complex Partial Yes per KIPI plugins Yes configurable Quick-tagging using keyboard tokens
Metadata—or information about an image, which can be automatically or manually added to image file formats like JPGs—can indicate when and where a photo was taken, on what kind of camera, and ...
One convention, established by the website Geobloggers and used by more and more sites, e.g. photo sharing sites Panoramio and Flickr, and the social bookmarking site del.icio.us, enables content to be found via a location search. Such sites allow users to add metadata to an information resource via a set of so-called machine tags (see folksonomy).